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Author: Sash Kazeminejad Revit

One of the great new features in Revit 2017 is the ability to push Calculated Values directly into a tag without a special manual entry Shared Parameter. This method works extremely well for Occupancy Calculations and Room Programming exercises.

In previous versions of Revit, pushing a Calculated Value into a tag was an impossible task because calculated values were not viewed as parameters. The typical workaround has been to create a Shared Parameter for a tag value and add that parameter in the schedule next to the Calculated Value. In order to get the calculated value into a tag, you would then have to manually enter the tag value from the schedule so that the data was in alignment with the calculated value.

While this method has provided a good-enough workaround, it can be quite labor intensive, especially if there are a lot of fields to manually fill in. Additionally, any changes to the model and calculations would not be reflected in the tag until you revisit the schedule and find the discrepancies between the Calculated Values and the tag values. To quickly find the discrepancies between the Calculated Values and Tag Values, you could create another Calculated Value within your schedule that would report and flag the discrepancies with a color. With the model being an evolutionary document, you end up having to do a lot of coordination throughout the design process, which may make you uncertain about your Revit model data.

With the new workflows in Revit 2017, the need for a manual entry Shared Parameter is no longer necessary, thus simplifying your schedules and coordination. All that is needed is to create a common Shared Parameter that can be used in both the Tag Family and the Revit Project for calculation purposes. Once this is properly set up, the calculations from a Revit project can then be pushed into a tag, allowing it to automatically reflect model and data changes. With this new method, you will be a lot more certain about your Revit model data.

To learn more about this new Revit 2017 feature, be sure to check out my video, Revit 2017: Calculated Values to Tags.

 

 

 

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   Sash Kazeminejad
Sash Kazeminejad
AEC Senior Application Specialist

Sash is a registered Architect and LEED Accredited Professional who holds a Master of Architecture from Montana State University. Sash’s experience includes project management, BIM management, and design for architectural firms in California, Montana, and Oregon. In addition to being a Bluebeam Certified Instructor, Sash is an Autodesk Certified Instructor who provides Revit Architecture training and solutions for AECO firms. Find Sash on Twitter.